<template>
  <div>
    <!-- 面包屑导航栏 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区  用户的数据 -->
    <el-card>
      <!-- 搜索区域 -->

      <el-row :gutter="20">
        <el-col :span="9">
          <div>
            <el-input clearable @clear="getUserList" v-model="queryInfo.query" placeholder="请输入内容">
              <!-- 必须绑定v-model才可以输入 -->
              <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
          </div>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区 -->
      <el-table :data="userlist" stripe border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- 作用域卡槽slot-scope="scope" -->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>

        <el-table-column label="操作" width="180px">
          
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button
                type="primary"
                @click="showEditDialog(scope.row.id)"
                icon="el-icon-edit"
                size="mini"
              ></el-button>
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
              <!-- 分配角色按钮 -->
              <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                <el-button
                  type="warning"
                  icon="el-icon-setting"
                  size="mini"
                  @click="setRole(scope.row)"
                ></el-button>
              </el-tooltip>
            </template>
          
        </el-table-column>
      </el-table>
      <div class="block">
        <!-- 分页功能 size-change改变事件-->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
        ></el-pagination>
      </div>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" @close="addDialogClosed" :visible.sync="addDialogVisible" width="50%">
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
        class="demo-ruleForm"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部按钮 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户的对话框 -->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="edituser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleClosed">
      <div>
        <p>当前的用户：{{userIn.username}}</p>
        <p>当前的角色：{{userIn.role_name}}</p>
        <p>
          分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolelist"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    //验证邮箱规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;

      if (regEmail.test(value)) {
        //合法邮箱
        return cb();
      }
      cb(new Error("请输入合法邮箱"));
    };

    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;

      if (regMobile.test(value)) {
        //合法邮箱
        return cb();
      }
      cb(new Error("请输入合法号码"));
    };

    return {
      //获取用户列表参数对象
      queryInfo: {
        query: "",
        //当前页数
        pagenum: 1,
        //当前每页显示多少条
        pagesize: 2,
      },
      userlist: [],
      total: 0,
      //控制添加用户的弹框
      addDialogVisible: false,
      //控制修改用户的弹框
      editDialogVisible: false,
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      addFormRules: {
        username: [
          {
            required: true,
            message: "请输入用户名",
            trigger: "blur",
          },
          {
            min: 3,
            max: 10,
            message: "用户名长度在3-10个字符中",
            trigger: "blur",
          },
        ],
        password: [
          {
            required: true,
            message: "请输入密码",
            trigger: "blur",
          },
          {
            min: 6,
            max: 15,
            message: "用户名长度在6-15个字符中",
            trigger: "blur",
          },
        ],
        email: [
          {
            required: true,
            message: "请输入邮箱",
            trigger: "blur",
          },
          {
            validator: checkEmail,
            trigger: "blur",
          },
        ],
        mobile: [
          {
            required: true,
            message: "请输入手机号",
            trigger: "blur",
          },
          {
            validator: checkMobile,
            trigger: "blur",
          },
        ],
      },
      //查询到的用户信息保存
      editForm: {},
      //控制分配角色的显示隐藏
      setRoleDialogVisible: false,
      //当前分配角色的用户信息
      userIn: {},
      //所有角色的数据列表
      rolelist: [],
      //已选中的角色
      selectRoleId:''
    };
  },

  created() {
    //创建生命周期函数
    //自动运行
    this.getUserList();
  },

  methods: {
    async getUserList() {
      // get会返回一个proisme对象 所以加async  await
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });

      if (res.meta.status !== 200) {
        return this.$message.error("获取用户列表失败");
      }
      this.userlist = res.data.users;
      this.total = res.data.total;
    },
    //监听pagesize 改变
    handleSizeChange(newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    //监听 页码值 改变事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },

    //监听swith开关状态
    async userStateChanged(userinfo) {
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userinfo, (mg_state = !userinfo.mg_state);
        return this.$message.error("更新用户状态失败");
      }
      this.$message.success("用户状态更新成功");
    },
    //用户关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields();
    },
    //点击按钮添加用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        //可以发起请求
        const { data: res } = await this.$http.post("users", this.addForm);

        if (res.meta.status !== 201) {
          this.$message.error("添加用户失败");
        }
        this.$message.success("用户添加成功！");
        //隐藏用户对话框
        this.addDialogVisible = false;
        //重新获取用户列表
        this.getUserList();
      });
    },
    async showEditDialog(uid) {
      const { data: res } = await this.$http.get("users/" + uid);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户失败");
      }

      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields();
    },
    //修改用户信息提交验证
    edituser() {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;

        //解构赋值
        const { data: res } = await this.$http.put(
          "users/" + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          }
        );

        if (res.meta.status !== 200) {
          this.$message.error("修改用户失败");
        }
        this.$message.success("修改用户成功！");
        //隐藏用户对话框
        this.editDialogVisible = false;
        //重新获取用户列表
        this.getUserList();
      });
    },
    async removeUserById(id) {
      const confirmResult = await this.$confirm("是否删除用户?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).catch((err) => err); //处理报错

      //点击确定confirmResult打印出confirm
      //点击取消confirmResult打印出cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("取消删除");
      }
      //删除用户
      const { data: res } = await this.$http.delete("users/" + id);

      if (res.meta.status !== 200) {
        this.$message.success("删除失败");
      }
      this.$message.success("删除用户成功");
      this.getUserList();
    },
    //分配角色功能
    async setRole(userIn) {
      this.userIn = userIn;

      //打开对话框时获取所有角色
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        this.$message.error("权限加载失败");
      }
      this.rolelist = res.data;
      this.setRoleDialogVisible = true;
    },
    //点击确定更改角色
   async saveRoleInfo(){
      if(!this.selectRoleId){
        return this.$message.error('请选择角色')
      }

     const {data: res} =await this.$http.put(`users/${this.userIn.id}/role`,{
        rid: this.selectRoleId
      })

       if (res.meta.status !== 200) {
        this.$message.error("更新角色失败");
      }

      this.$message.success("更新角色成功");
      this.getUserList()
      this.setRoleDialogVisible = false;
      
    },
    //分配角色对话框关闭事件
    setRoleClosed(){
      this.selectRoleId = ''
      this.userIn = {}
    }
  },
};
</script>
<style lang='css' scoped>
</style>